Finding the Fourth Proportional to 4,220,219.67, 6,323,117.25 and 3,015,989.43
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Solution
The fourth proportional to 4,220,219.67, 6,323,117.25 and 3,015,989.43 is: 4,518,829.89
Step by Step Solution
- Step 1: Write the proportion equation
4,220,219.67 : 6,323,117.25 = 3,015,989.43 : x - Step 2: Convert to fraction form
4,220,219.67/6,323,117.25 = 3,015,989.43/x - Step 3: Cross multiply
4,220,219.67x = 6,323,117.25 × 3,015,989.43 - Step 4: Simplify right side
4,220,219.67x = 19,070,454,790,650.67 - Step 5: Solve for x
x = 19,070,454,790,650.67/4,220,219.67 - Step 6: Final answer
x = 4,518,829.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.